Ne ho scelto uno senza troppa convinzione

Hi, i'm elaborating data from a questionnaire where consumers were asked to tell how much they were satisfied about the appliance product chosen.Some Results are gathered according to this answer: (I need help in translating it)

Molti erano simili e equivalenti e ne ho scelto uno senza troppa convinzione-----> Many products were similar or equivalent, so I chose one without too much certainty